1. Argentina - Argentinian
2. Australia - Australian
3. Brazil - Brazilian
4. Chile - Chilean
5. China - Chinese
6. France - French
7. Greece - Greek
8. Italy - Italian
9. Japan - Japanese
10. Mexico - Mexican
11. Peru - Peruvian
12. Poland - Pole
13. Portugal - Portuguese
14. Russia - Russian
15. Spain - Spanish ( the Spaniard)
16. the UK - English (-man; -woman)
17. the USA - American
18. Turkey - Turkish